Neo4j-java Required identifier property not found for class

I keep getting this exception while I'm trying to save an object to an Neo4j database.

1、Caused by: java.lang.IllegalStateException: Required identifier property not found for class com.**.**!

2、Reason:

The jar of project such as:

<dependency>

    <groupId>org.springframework.boot

    <artifactId>spring-boot-starter-data-neo4j

</dependency>

Entity class used the file of ogm package, the import must use files in org.springframework.data.neo4j package.

3、right import

import org.springframework.data.neo4j.core.schema.Id;

import org.springframework.data.neo4j.core.schema.Node;

import org.springframework.data.neo4j.core.schema.Property;

import org.springframework.data.neo4j.core.schema.Relationship;

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